City report · Australia
Hobart Air quality today
Air quality in Hobart currently reads AQI 7 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 7
Good
- PM2.5, fine particles (µg/m³)
- 1.2
- tree cover
- 28.9%
- trees in this area
- 62.2K
- more trees needed
- 2.4K
Measured across a 2 km radius around Hobart TAS 7000, Australia (12.57 km²), from a satellite image of Mar 14, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Hobart · AQI 7 (Good)
Hobart's tree count comes to 62,193 trees across 8.61 km² of land, 1 points below the 30% tree-cover level considered healthy for this area, so roughly 2,367 more trees would close the gap.
Air quality detail
Air quality in Hobart today: AQI 7, Good
Main pollutant: PM2.5 · Observed Nov 11, 23:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Hobart, 3 km away · median of 2 stations
Health signal
Air quality is satisfactory for everyone.
PM2.5
1.2
PM10
4.3
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, EPA Tasmania - Tasmania Environment Protection Authority
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Hobart's daily AQI at 25 on average, from 17 on Nov 5 to an hourly peak of 51 on Nov 8.
Where Hobart stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Hobart: Below target
28.9% tree cover against a 30% healthy-neighborhood target, across 8.61 km² of land.
Trees in this area
62,193
Target trees
64,560
More trees needed
2,367
CO₂ if planted / yr
52.1 t
Deforestation · 2001–2025
How much forest has Hobart lost?
Since 2001, the area within 10 km of Hobart has lost about 731 hectares of forest (about 1,000 football pitches): 5.1% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. About 222 hectares (30%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from February 2017 of a 5 × 5 km area about 6 km south of the city center.
- Forest lost since 2001
- 731 haabout 1,000 football pitches
- Share of its forest
- 5.1%of what there was in 2000
- Cleared for good
- 222 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 24 hectares a year in 2021–2025, down from 60 hectares a year in 2016–2020. The worst year was 2013, when about 114 hectares of forest were lost, mostly to wildfires.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 6 ha | 36 ha | 42 ha |
| 2002 | 2 ha | 1 ha | 3 ha |
| 2003 | 18 ha | 5 ha | 23 ha |
| 2004 | 5 ha | 2 ha | 7 ha |
| 2005 | 2 ha | 2 ha | 3 ha |
| 2006 | 20 ha | 19 ha | 38 ha |
| 2007 | 5 ha | 5 ha | 10 ha |
| 2008 | 2 ha | 16 ha | 18 ha |
| 2009 | 9 ha | 2 ha | 11 ha |
| 2010 | 10 ha | 2 ha | 12 ha |
| 2011 | 5 ha | 4 ha | 9 ha |
| 2012 | 2 ha | 1 ha | 3 ha |
| 2013 | 5 ha | 109 ha | 114 ha |
| 2014 | 2 ha | 5 ha | 6 ha |
| 2015 | 10 ha | 2 ha | 13 ha |
| 2016 | 38 ha | 67 ha | 105 ha |
| 2017 | 13 ha | 62 ha | 76 ha |
| 2018 | 6 ha | 50 ha | 56 ha |
| 2019 | 18 ha | 23 ha | 41 ha |
| 2020 | 7 ha | 15 ha | 22 ha |
| 2021 | 12 ha | 38 ha | 50 ha |
| 2022 | 6 ha | 1 ha | 7 ha |
| 2023 | 13 ha | 24 ha | 37 ha |
| 2024 | 2 ha | 14 ha | 16 ha |
| 2025 | 4 ha | 3 ha | 7 ha |
What is causing deforestation around Hobart?
- Wildfirescan grow back64% · 470 ha
- Towns and roadscleared for good30% · 218 ha
- Loggingcan grow back3.9% · 28 ha
Also: farms, pasture and plantations, storms, floods and other natural causes, unknown causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Forest gained and lost, 2000–2020
- Forest in 2000
- 15,800 ha
- Forest in 2020
- 15,600 ha
- Overall change
- −118 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Hobart stayed about the same size, at about 15,600 hectares: new forest grew on about 143 hectares, and about 261 hectares were lost.
These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.
These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.
Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured
In the same region
Measured cities near Hobart
Same 2 km radius, same index — so they compare directly.
- Geelong582.9 km
Australia
- Tree cover
- 13%
- Air quality
- 31
- Melbourne597.9 km
Australia
- Tree cover
- 20%
- Air quality
- 22
- Ballarat660.4 km
Australia
- Tree cover
- 25%
- Air quality
- 7
- Bendigo728.6 km
Australia
- Tree cover
- 24%
- Air quality
- 9
- Canberra858.7 km
Australia
- Tree cover
- 42%
- Air quality
- 11
- Wollongong989.6 km
Australia
- Tree cover
- 26%
- Air quality
- 16
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Frequently asked
Questions about Hobart
What is the air quality (AQI) in Hobart right now?
The latest reading for Hobart shows an AQI of 7 (Good), measured Nov 11, 23:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Hobart, 3 km away). The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Hobart today?
At AQI 7 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Hobart been like this week?
Over the last 7 days, the CAMS air-quality model put Hobart's daily AQI at 25 on average, from 17 on Nov 5 to an hourly peak of 51 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Hobart lost since 2001?
Since 2001, the area within 10 km of Hobart has lost about 731 hectares of forest (about 1,000 football pitches): 5.1% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. About 222 hectares (30%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is slowing down: about 24 hectares a year in 2021–2025, down from 60 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Hobart stayed about the same size, at about 15,600 hectares: new forest grew on about 143 hectares, and about 261 hectares were lost.
What is the tree count in Hobart?
Hobart has an estimated 62,193 trees across the 8.61 km² of land measured — 28.9% tree cover, 1 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Hobart need?
Hobart needs roughly 2,367 more trees to close a 1-point shortfall against its 30% tree-cover target — about 52.1 t of extra CO₂ absorbed per year once grown.
How are Hobart's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Hobart TAS 7000, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Hobart TAS 7000; the tree count is an estimate derived from that cover.
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